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Finding the Fourth Proportional to 361,363.38, 498,664.67 and 198,018.92

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Solution

The fourth proportional to 361,363.38, 498,664.67 and 198,018.92 is: 273,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,363.38 : 498,664.67 = 198,018.92 : x
  2. Step 2: Convert to fraction form
    361,363.38/498,664.67 = 198,018.92/x
  3. Step 3: Cross multiply
    361,363.38x = 498,664.67 × 198,018.92
  4. Step 4: Simplify right side
    361,363.38x = 98,745,035,912.14
  5. Step 5: Solve for x
    x = 98,745,035,912.14/361,363.38
  6. Step 6: Final answer
    x = 273,256.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.